Closed Bug 1504272 Opened 6 years ago Closed 6 years ago

Crash in wcslen | std::_WChar_traits<T>::length

Categories

(External Software Affecting Firefox :: Other, defect)

Product:
External Software Affecting Firefox
Component:
Other
Platform:
Unspecified
Windows 10
Type:
defect
Priority:
Not set
Severity:
critical

Tracking

(firefox63 fixed, firefox64 fixed, firefox65 fixed)

Status:
RESOLVED FIXED
Tracking Flags:
Tracking Status
firefox63 --- fixed
firefox64 --- fixed
firefox65 --- fixed

People

(Reporter: marcia, Unassigned)

Details

(Keywords: crash, regression)

Crash Data

This bug was filed from the Socorro interface and is report bp-0d8783af-14d2-45da-95b8-06e900181030. ============================================================= Seen while looking at Windows nightly crash stats: https://bit.ly/2OinLAA. This crash is 100% correlated to nvdaHelperRemote.dll (100.0% in signature vs 00.14% overall) Module "nvdaHelperRemote.dll" = true. Not sure where to bucket it, so putting in Core | General for now. 39 crashes/21 installs on nightly. This crash is present on 63 but in smaller volume, under 30 crashes since 63 shipped. Top 7 frames of crashing thread: 0 nvdahelperremote.dll wcslen minkernel\crts\ucrt\src\appcrt\string\strnlen.cpp:218 1 nvdahelperremote.dll std::_WChar_traits<wchar_t>::length c:\program files (x86)\microsoft visual studio\2017\community\vc\tools\msvc\14.15.26726\include\iosfwd:307 2 nvdahelperremote.dll std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >::assign c:\program files (x86)\microsoft visual studio\2017\community\vc\tools\msvc\14.15.26726\include\xstring:2676 3 nvdahelperremote.dll std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> > c:\program files (x86)\microsoft visual studio\2017\community\vc\tools\msvc\14.15.26726\include\xstring:2185 4 nvdahelperremote.dll VBufStorage_buffer_t::getTextInRange c:\projects\nvda\build\x86_64\vbufbase\storage.cpp:922 5 nvdahelperremote.dll VBufRemote_getTextInRange c:\projects\nvda\build\x86_64\remote\vbufremote.cpp:155 6 rpcrt4.dll Invoke =============================================================
NVDA is a screenreader and I think Jamie has contacts there.
Component: General → Other
Flags: needinfo?(jteh)
Product: Core → External Software Affecting Firefox
Version: Trunk → unspecified
This was a bug in NVDA nightly builds that has now been fixed: https://github.com/nvaccess/nvda/pull/8907
Status: NEW → RESOLVED
Closed: 6 years ago
Flags: needinfo?(jteh)
Resolution: --- → FIXED
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